Carlson's Auto Catcher Shell Catcher, 12/20 Gauge, Silver - 00440

All-steel shell catcher designed for semi-automatic shotguns in 12 and 20 gauge that prevents empty hulls from ejecting through the receiver opening. Adhesive-mounted using included double-faced tape (2 pieces) and fits most standard 12/20-gauge semi-auto shotguns. Keeps spent shells contained for easy collection and reduces range distractions.